When 0.515 g of compound X is burned completely in a bomb calorimeter containing 3000 g of water, a temperature rise of 0.243◦C is observed. What is Urxn for the combustion of compound X? The hardware component of the calorimeter has a heat capacity of 3.12kJ/◦C. The specific heat of water is 4.184J/g ·◦C, and the MW of X is 56.0 g/mol.
Answer in units of kJ/mol

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